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Note 10 - Derivative Financial Instruments - Details About Accumulated Other Comprehensive Income (Loss) Components (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Accumulated other comprehensive income (loss) component $ 151 $ 221
Interest Rate Swap [Member] | Interest Expense [Member]    
Accumulated other comprehensive income (loss) component 151 119
Foreign Exchange Contract [Member] | Cost of Sales [Member]    
Accumulated other comprehensive income (loss) component $ 102